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Custom Silicone Overmolding Parts Manufacturer

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Categories	Mobile phone waterproof solution
Brand	SiliconePlus \| Silicone OverMolding Manufacturing
Product Type	Custom Silicone Overmolding Parts
Material	Liquid Silicone Rubber / LSR
Process	LSR Injection Molding / Insert Molding / Overmolding
Substrate	Plastic / Metal / FPC / Silicone
Service	OEM/ODM Custom Manufacturing
MOQ	500 pcs
Application	Automotive / Medical / 3C Electronics / Wearable / Beauty Device
Feature	Waterproof Sealing / Bonding / Insulation / Protection
Drawing	2D / 3D Drawing or Sample Accepted
Manufacturer	SiliconePlus
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Detail Information

SiliconePlus provides custom silicone overmolding parts for customers who need waterproof sealing, bonding, insulation, soft-touch protection and integrated silicone structures.

Our LSR overmolding process can mold liquid silicone rubber directly onto plastic, metal, FPC or silicone substrates. This helps reduce secondary assembly, improve sealing stability and create more reliable precision components.

We support OEM/ODM custom manufacturing from drawings or samples. MOQ starts from 500 pcs.

Silicone Over Plastic, Metal and FPC

Silicone overmolding is suitable for projects where silicone needs to be bonded or molded onto different substrates.

SiliconePlus supports silicone over plastic, silicone over metal, silicone over FPC and silicone over silicone structures. These solutions are widely used for waterproof electronic parts, automotive connectors, wearable devices, medical components and beauty equipment.

Custom LSR Overmolding

Liquid silicone rubber is molded directly onto plastic, metal, FPC or silicone substrates for integrated structures.

Waterproof Sealing

Suitable for sealing lips, connector seals, waterproof buttons, sensor seals and electronic protection parts.

OEM/ODM Tooling

Custom mold development based on 2D drawings, 3D files, samples and application requirements.

MOQ 500 pcs

Flexible custom production support from prototype sampling to mass production.

Item	Specification
Product Type	Custom Silicone Overmolding Parts
Material	Liquid Silicone Rubber / LSR
Process	LSR Injection Molding / Insert Molding / Overmolding
Substrate	Plastic / Metal / FPC / Silicone
Service	OEM/ODM Custom Manufacturing
MOQ	500 pcs
Application	Automotive / Medical / 3C Electronics / Wearable / Beauty Device
Drawing	2D / 3D Drawing or Sample Accepted

From DFM Review to Mass Production

Before tooling starts, customers can send 2D drawings, 3D files, samples, material requirements, application details and estimated quantity.

Our team can help evaluate the overmolding structure, bonding area, substrate compatibility, mold feasibility and sealing design before production. We support mold development, LSR injection molding, sample testing and batch manufacturing.

Automotive Parts

Used for connector seals, wire harness grommets, charging port seals, sensor seals and EV waterproof components.

Medical Devices

Suitable for soft-touch silicone components, sealing parts, protective covers and precision medical assemblies.

3C Electronics

Used for waterproof plugs, buttons, Type-C sealing parts, FPC protection and compact electronic components.

Wearable & Beauty Devices

Suitable for wearable sensors, beauty device handles, waterproof sealing parts and skin-contact silicone structures.

Send Drawings or Samples for Evaluation

If you need custom silicone overmolding parts, please send us your drawings, samples, material requirements, application environment and estimated order quantity.

SiliconePlus can support your project from structure review, material selection and tooling to sampling and mass production.